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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Chillicothe, Illinois, is a freezing cold winter month, with an average temperature ranging between max 29.8°F (-1.2°C) and min 18.1°F (-7.7°C). Chillicothe's January weather, marked by an average high temperature of 29.8°F (-1.2°C) and an average low temperature of 18.1°F (-7.7°C), is the coldest in the year. Weather in January »
Weather in February
The last month of the winter, February, is a wintry month in Chillicothe, Illinois, with an average temperature fluctuating between 35.2°F (1.8°C) and 21.7°F (-5.7°C). Chillicothe, Illinois, observes a slight ascent in average high-temperatures during February, adjusting from a subzero cold 29.8°F (-1.2°C) in January to a cold 35.2°F (1.8°C). Weather in February »
Weather in March
March, the first month of the spring in Chillicothe, is a chilly month, with an average temperature varying between 48.2°F (9°C) and 33.3°F (0.7°C). As Chillicothe welcomes March, the average high-temperature sees a rise, transitioning from a cold 35.2°F (1.8°C) in February to a chilly 48.2°F (9°C). Weather in March »
Weather in April
April is a mild spring month in Chillicothe, Illinois, with temperature in the range of an average low of 43.9°F (6.6°C) and an average high of 60.1°F (15.6°C). Chillicothe's April weather brings a rise in high-temperatures, moving from a frosty 48.2°F (9°C) in March to a mild 60.1°F (15.6°C). Weather in April »
Weather in May
May, the last month of the spring in Chillicothe, is an agreeable month, with an average temperature ranging between max 71.2°F (21.8°C) and min 54.1°F (12.3°C). With the onset of May, Chillicothe's weather sees a temperature rise, transitioning from a mild 60.1°F (15.6°C) in April to a pleasant 71.2°F (21.8°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Chillicothe, Illinois, with temperature in the range of an average low of 62.2°F (16.8°C) and an average high of 79.3°F (26.3°C). The start of June is characterized by a subtle increase in the average high-temperature, transitioning from an agreeable 71.2°F (21.8°C) in May to a warm 79.3°F (26.3°C). Weather in June »
Weather in July
July, like June, in Chillicothe, Illinois, is another warm summer month, with temperature in the range of an average high of 81.9°F (27.7°C) and an average low of 64.8°F (18.2°C). July is the month that records the highest temperatures, with averages ranging from a high of 81.9°F (27.7°C) to a low of 64.8°F (18.2°C). The heat index in July is computed to be a tropical 89.6°F (32°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Chillicothe, Illinois, with an average temperature ranging between min 63°F (17.2°C) and max 80.4°F (26.9°C). Chillicothe experiences a transition to a still moderately hot 80.4°F (26.9°C) in average high-temperatures with the arrival of August, not greatly differing from July's 81.9°F (27.7°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Chillicothe, Illinois, with an average temperature varying between 56.7°F (13.7°C) and 75.9°F (24.4°C). The arrival of September sees an average high-temperature of a still warm 75.9°F (24.4°C), hardly diverging from August's 80.4°F (26.9°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Chillicothe, Illinois, with temperature in the range of an average low of 46°F (7.8°C) and an average high of 61.9°F (16.6°C). In Chillicothe, the average high-temperature in October drops from a warm 75.9°F (24.4°C) in September to an enjoyable 61.9°F (16.6°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Chillicothe, Illinois, with temperature in the range of an average high of 47.5°F (8.6°C) and an average low of 34.2°F (1.2°C). The onset of November brings a distinct decrease in the average high-temperature, receding from a refreshing 61.9°F (16.6°C) in October to a chilly 47.5°F (8.6°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Chillicothe, Illinois, with temperature in the range of an average low of 25.7°F (-3.5°C) and an average high of 36°F (2.2°C). The commencement of December indicates a shift in the average high-temperature, receding from November's chilly 47.5°F (8.6°C) to an icy 36°F (2.2°C). Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in Chillicothe?
January, marked by an average high-temperature of 29.8°F (-1.2°C) and a low-temperature of 18.1°F (-7.7°C), is the coldest month.
What is the driest month in Chillicothe?
The month with the least rainfall is January, when the rain falls for 4.8 days and typically collects 0.67" (17mm) of precipitation.
How much does it rain in Chillicothe?
Throughout the year, in Chillicothe, Illinois, there are 123.4 rainfall days, and 15.12" (384mm) of precipitation is accumulated.
When does it snow in Chillicothe?
Months with snowfall in Chillicothe are January through April, October through December.
When does it snow the most in Chillicothe?
January is the month with the most snowfall in Chillicothe, Illinois. Snow falls for 9.2 days and accumulates 1.93" (49mm) of snow.
How many days does it snow in Chillicothe?
In Chillicothe, Illinois, during the entire year, snow falls for 27.8 days and aggregates up to 6.46" (164mm) of snow.
What is the month with the least sunshine in Chillicothe?
The month with the least sunshine in Chillicothe is January, with an average of 3.8h of sunshine.
What are the months with the lowest UV index in Chillicothe?
The months with the lowest UV index in Chillicothe are January and December, with an average maximum UV index of 1.
When is Daylight Saving Time (DST) in Chillicothe?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
What is the wettest month in Chillicothe?
The month with the most rainfall in Chillicothe, Illinois, is May, when the rain falls for 16.2 days and typically aggregates up to 2.36" (60mm) of precipitation.
When it does not snow in Chillicothe?
May through September are months without snowfall in Chillicothe, Illinois.
When are the longest days in Chillicothe?
The month with the longest days in Chillicothe, Illinois, is June, with an average of 15h and 6min of daylight.
What month has the most sunshine in Chillicothe?
The month with the most sunshine in Chillicothe is June, with an average of 10h of sunshine.
What are the months with the highest UV index in Chillicothe?
The months with the highest UV index in Chillicothe, Illinois, are June and July, with an average maximum UV index of 6.
What is the warmest month in Chillicothe?
July is the warmest month, with the temperature often reaching an average high of 81.9°F (27.7°C) and an average low of 64.8°F (18.2°C).
What is the most humid month in Chillicothe?
The most humid month in Chillicothe is July, with an average relative humidity of 84%.
What is the least humid month in Chillicothe?
October is the least humid month in Chillicothe, with an average relative humidity of 72%.
What is the month with the shortest days in Chillicothe?
With an average of 9h and 18min of daylight, December has the shortest days of the year in Chillicothe, Illinois.
Average temperature
Chillicothe, IL
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (29.8°F).
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure
Chillicothe, IL
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Chillicothe, IL
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.6mph - Average wind speed in May:
8.9mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10.1mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity
Chillicothe, IL
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Chillicothe, IL
- Average rainfall in January:
0.67" - Average rainfall in February:
0.71" - Average rainfall in March:
1.1" - Average rainfall in April:
1.77" - Average rainfall in May:
2.36" - Average rainfall in June:
1.73"
- Average rainfall in July:
1.46" - Average rainfall in August:
1.26" - Average rainfall in September:
1.14" - Average rainfall in October:
1.34" - Average rainfall in November:
0.83" - Average rainfall in December:
0.75"
The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days
Chillicothe, IL
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
4.5 days - Average rainfall days in March:
11 days - Average rainfall days in April:
13.6 days - Average rainfall days in May:
16.2 days - Average rainfall days in June:
13.8 days
- Average rainfall days in July:
14.3 days - Average rainfall days in August:
11.9 days - Average rainfall days in September:
10.1 days - Average rainfall days in October:
10 days - Average rainfall days in November:
7.5 days - Average rainfall days in December:
5.7 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is February (4.5 days).
Average snowfall
Chillicothe, IL
The month with the highest snowfall is January (1.93").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Chillicothe, IL
- Average snowfall days in January:
9.2 days - Average snowfall days in February:
7 days - Average snowfall days in March:
2.9 days - Average snowfall days in April:
0.5 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
1.8 days - Average snowfall days in December:
6.3 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Chillicothe, IL
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
4h and 1min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Chillicothe, IL
- Average sunshine days in January:
19.4 days - Average sunshine days in February:
17.3 days - Average sunshine days in March:
17.4 days - Average sunshine days in April:
14.7 days - Average sunshine days in May:
12.4 days - Average sunshine days in June:
13.1 days
- Average sunshine days in July:
13 days - Average sunshine days in August:
16.5 days - Average sunshine days in September:
17.8 days - Average sunshine days in October:
19 days - Average sunshine days in November:
20.2 days - Average sunshine days in December:
19.9 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (12.4 days).
Average UV index
Chillicothe, IL
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Chillicothe, IL
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility
Chillicothe, IL
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Chillicothe, Illinois, USA
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